Home / 118,248,140.16-177,467,742.72-50,138,657.28

Finding the Fourth Proportional to 118,248,140.16, 177,467,742.72 and 50,138,657.28

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Solution

The fourth proportional to 118,248,140.16, 177,467,742.72 and 50,138,657.28 is: 75,248,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,248,140.16 : 177,467,742.72 = 50,138,657.28 : x
  2. Step 2: Convert to fraction form
    118,248,140.16/177,467,742.72 = 50,138,657.28/x
  3. Step 3: Cross multiply
    118,248,140.16x = 177,467,742.72 × 50,138,657.28
  4. Step 4: Simplify right side
    118,248,140.16x = 8,897,994,330,493,295
  5. Step 5: Solve for x
    x = 8,897,994,330,493,295/118,248,140.16
  6. Step 6: Final answer
    x = 75,248,492.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.